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vaieri [72.5K]
3 years ago
5

I have 2 questions, they're similar, but i have no idea. can someone please help me.

Mathematics
1 answer:
Dimas [21]3 years ago
5 0

Answer:

First Picture:

\sqrt{x} -3=3-\sqrt{x}\\\\\x-3=0\\  +3  +3\\x=3

Second Picture:

2/3(9x-6)-4=9x-6

(6x-4-4=9x-6\\6x-8=9x-6\\   -9        -9\\\\-3x-8=-6\\      \\+8  +8\\-3x=2\\\\x=-2/3

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8_murik_8 [283]
If you would like to know which quotient will be negative, you can find this using the following steps:

24 / 6 = 4
-35 / 7 = -5
-54 / (-6) = 9
3 / (-1) = -3
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3 years ago
What’s 40% as a decimal
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Answer:

0.4

Step-by-step explanation:

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3 years ago
1 1/8 +5/6 =<br><br> And then subtract 1/2 from the answer
kari74 [83]
Alright so start of with solving 1 1/8+5/6

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Now to subtract you have your answer subtracted by 1/2:

1 23/24-1/2=1 11/24

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Which is the better deal per car? 12 car washes for $100 or 5 car washes for $45
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At one farmer’s market, bananas cost $0. 80 per pound. At another farmer’s market, bananas are sold in 5-pound bags for $4. 50 p
Minchanka [31]

To find the better buy divide 4.50 by 5 to find the unit rate for the 5-pound bag, and compare that number to $0. 80 per pound.

<h3>What is cost price per pound?</h3>

The cost price per pound is the amount of money required to buy one pound of a brand or goods.

To find the cost price per pound, divide the total amount of cost of the goods to the total number of goods.

At one farmer’s market, bananas cost $0.80 per pound.

At another farmer’s market, bananas are sold in 5-pound bags for $4. 50 per bag. To compare it with first market price, divide the 5 pound bags with $4.50.

The cost of one bag in this market is,

C=\dfrac{4.50}{5}\\C=0.5625

As this cost is less, thus, the cost of this market for one banana is less than the first market and so this is the better buy.

Hence, to find the better buy divide 4.50 by 5 to find the unit rate for the 5-pound bag, and compare that number to $0. 80 per pound.

Learn more about the cost price per pound here;

brainly.com/question/20333618

4 0
2 years ago
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